V2.7.O7 9/3/07
Features:
Circles - Sectors and segments
Peridioc phenomena - Periodic functions, trig relation, unit circle
Radians - Formulae for convering degrees to radians and vice versa
Trigonometry - Using sine and cosine rules to find angles and sides, area using sine
Quadratics - Find the roots of a quadratic (Complex, real and imaginary) using factorisation and the quadratic formula, find discriminant, find the vertex

V2.8.07
Code Update:
Code condensed for smaller program